Home / 5,209.10-7,813.64-2,287.43

Finding the Fourth Proportional to 5,209.10, 7,813.64 and 2,287.43

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Solution

The fourth proportional to 5,209.10, 7,813.64 and 2,287.43 is: 3,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.10 : 7,813.64 = 2,287.43 : x
  2. Step 2: Convert to fraction form
    5,209.10/7,813.64 = 2,287.43/x
  3. Step 3: Cross multiply
    5,209.10x = 7,813.64 × 2,287.43
  4. Step 4: Simplify right side
    5,209.10x = 17,873,121.20
  5. Step 5: Solve for x
    x = 17,873,121.20/5,209.10
  6. Step 6: Final answer
    x = 3,431.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.